Microsoft has released the final Cumulative Update (#13) for SQL Server 2008 R2 Service Pack 2.
KB Article: KB #2967540
15 public fixes listed at time of publication (17 fixes total)
Build number is 10.50.4319
Relevant for @@VERSION 10.50.4000 through 10.50.4318
My usual disclaimer: these updates are NOT for SQL Server 2008 (or ...

UPDATE 2013-08-23: 2008 R2 SP2 CU #8 is now available; details below.
UPDATE 2013-08-14: I had originally posted about SP1 CU #14, and was sure SP2 CU #8 was coming in shortly behind it, but it turns out that CU #14 has been pulled from general availability and has been converted to an on-demand hotfix update. Some people suggested this indicates ...

Well, surely at least partly in response to the CU6 mess I reported earlier today, and partly because they were due, Microsoft has released new cumulative updates that contain - among other things - updated code that avoids the symptom introduced with earlier updates (though this regression fix doesn't seem to appear in the KB articles - unless ...